A9 chord on 6-String Guitar – Drop G
in Drop G (G-D-G-C-E-A) tuning
A9
Dominant 9
Notes:A · C# · E · G · B
Piano Left hand Right hand
Fingerings (16)
A9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 2 2 0 1 0 2 | 2 3 – 1 – 4 | A E G C# E B | medium | |
| 2 2 6 4 3 2 | 1 1 4 3 2 1 | A E C# E G B | hard · barre on fret 2 | |
| x 7 4 x 3 4 | – 4 2 – 1 3 | x A B x G C# | hard | |
| x 7 4 7 5 4 | – 3 1 4 2 1 | x A B G A C# | medium · barre on fret 4 | |
| 0 5 6 7 7 0 | – 1 2 3 4 – | G G C# G B A | medium | |
| x 7 6 7 7 0 | – 2 1 3 4 – | x A C# G B A | medium | |
| 0 9 0 9 9 7 | – 2 – 3 4 1 | G B G A C# E | medium | |
| 9 9 9 9 9 10 | 1 1 1 1 1 2 | E B E A C# G | easy · barre on fret 9 | |
| 0 11 12 11 12 12 | – 1 2 1 3 4 | G C# G B E A | medium · barre on fret 11 | |
| 2 x 0 1 0 2 | 2 – – 1 – 3 | A x G C# E B | easy | |
| 2 x 4 x 3 4 | 1 – 3 – 2 4 | A x B x G C# | hard | |
| 4 7 6 x 3 x | 2 4 3 – 1 – | B A C# x G x | hard | |
| x 7 4 7 7 4 | – 2 1 3 4 1 | x A B G B C# | medium · barre on fret 4 | |
| 6 5 0 7 7 0 | 2 1 – 3 4 – | C# G G G B A | medium | |
| x 7 6 7 7 x | – 2 1 3 4 – | x A C# G B x | medium | |
| 0 9 9 7 9 0 | – 2 3 1 4 – | G B E G C# A | medium |
The A9 chord (Dominant 9) is built from the notes A, C#, E, G, B. Below are playable fingerings for 6-String Guitar – Drop G generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the A9 chord is built
Formula: 1 · 3 · 5 · ♭7 · 9
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A |
| 3 | 4 | C# |
| 5 | 7 | E |
| ♭7 | 10 | G |
| 9 | 14 | B |
More A chords
Other roots
See A9 in another tuning
What notes make up the A9 chord?
A9 is a Dominant 9 chord built from the notes A, C#, E, G, B.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.